Health

The eternal struggle of women with the balance may have a relatively simple biological reason, according to a study that has just been published. Analysis of brains of volunteers of both sexes, submitted to the temptation to eat after a prolonged fasting, suggesting that women have more difficulty in voluntarily removing the desire to eat than men.

The research, which is on this week edition of scientific journal 'PNAS', was coordinated by Gene-Jack Wang of Brookhaven National Laboratory (United States). Wang and his colleagues used PET (tomography by emission pósitrons in English acronym), a method that shows near real-time consumption of nutrients in the brain of persons during any activity or task. With this, the scientists assemble a pattern of brain activity, which shows which areas of the body are most active in a given period.

In the experiment, someone more desperate could even call it sadistic, the volunteers were 17 hours in fasting and then were subjected to strong stimuli related to their favorite (already known to the researchers by means of a questionnaire submitted previously). The stimuli were from the smell of the dish, heat in front of the "guinea pigs", before putting them in the language of wad of cotton soaked in the food, so they could feel like it.

Asked for volunteers who are simply trying to suppress hunger and desire to eat. In men, the analysis showed a deletion on brain activity of the body in regions related to desire for food, while it was significantly lower degree in women. For researchers, this may be one explanation for the comparatively more difficult for women to lose weight and to lower your self in front of appetizing dishes.



Source: G1

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